Home / 5,228.52-7,216.47-3,133.86

Finding the Fourth Proportional to 5,228.52, 7,216.47 and 3,133.86

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Solution

The fourth proportional to 5,228.52, 7,216.47 and 3,133.86 is: 4,325.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228.52 : 7,216.47 = 3,133.86 : x
  2. Step 2: Convert to fraction form
    5,228.52/7,216.47 = 3,133.86/x
  3. Step 3: Cross multiply
    5,228.52x = 7,216.47 × 3,133.86
  4. Step 4: Simplify right side
    5,228.52x = 22,615,406.67
  5. Step 5: Solve for x
    x = 22,615,406.67/5,228.52
  6. Step 6: Final answer
    x = 4,325.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.